Correct Answer: 64 : 49 : 20

Solution : Profit ratio = 8 : 7 : 5
Period of investment of first-person = 7
Period of investment of second person = 8
Period of investment of third person = 14
Let $x,y,z$ be the capital invested by the three persons.
The ratio of profit = the ratio of (invested capital × invested time)
$7x : 8y : 14z = 8 : 7 : 5$
$\frac{7x}{8y} = \frac{8}{7}$
⇒ $y = \frac{49x}{64}$
$\frac{7x}{14z} = \frac{8}{5}$
⇒ $z = \frac{5x}{16}$
Ratio of capitals = $x : y : z$
$= x : \frac{49x}{64} : \frac{5x}{16}$
$= 64 : 49 : 20$
Hence, the correct answer is 64 : 49 : 20.

Correct Answer: 1932

Solution : The correct answer is 1932.

November 17, 1932, saw the start of the third Round Table Conference, which ran until December 24, 1932. This summit was also not attended by the leaders of Congress. Without the participation and presence of Congress leaders, a conclusion could not be reached.

Correct Answer: 55

Solution : Given:
I denotes ÷, J denotes ×, K denotes −, and L denotes +
(35 I 5) J 9 K 23 L 39 K (3 J 8) = ?

After replacing the letters with the mathematical signs, we get:
= (35 ÷ 5) × 9 – 23 + 39 – (3 × 8)
= 7 × 9 – 23 + 39 – 24
= 63 – 23 + 39 – 24
= 55

So, 55 is the answer to the given equation. Hence, the fourth option is correct.

Correct Answer: 31st October

Solution : The correct answer is 31st October.

Every year, Halloween is celebrated on 31st October. It is a festival in various countries, especially in the United States, where people engage in activities like trick-or-treating, costume parties, and decorating homes with spooky themes. The day is associated with the Celtic festival of Samhain and has cultural and historical significance.

Correct Answer: Credited to capital reserve account 

Solution : Answer = Credited to Capital reserve account 

Land and building A/c   Dr 9,00,000

Plant and Machinery A/c Dr. 8,00,000

Patent A/c                       Dr 40000

S. Debtors                       Dr 7,00,000

Stock A/c                          Dr 5,00,000

To Creditor A/c                                        1,20,000

To Vendor Co A/c                                    25,00,000

To Capital Reserve A/c (B/F)                    3,20,000
 

Vendor Co A/c               Dr 25,00,000

  To Bank A/c                                            4,00,000
  To 8% Debentures A/c                          20,00,000
  To SPR A/c                                             1,00,000

Number of debentures = (25,00,000 - 4,00,000)/(100 + 5) = 20,000.

Hence, the correct option is 3.

Correct Answer: All of the above

Solution : Following are the types of data validation:
1. Format,
2. Data Type,
3. Range,
4. Consistency,
5. Uniqueness, and
6. Code.
Hence, the correct option is 4.

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